Datasheet

4
OPA353, 2353, 4353
®
TYPICAL PERFORMANCE CURVES
At T
A
= +25°C, V
S
= +5V, and R
L
= 1kΩ connected to V
S
/2, unless otherwise noted.
OPEN-LOOP GAIN/PHASE vs FREQUENCY
0.1 1
160
140
120
100
80
60
40
20
0
Voltage Gain (dB)
0
–45
–90
–135
–180
Phase (°)
Frequency (Hz)
10 100 1k 10k 100k 1M 10M 100M
G
φ
POWER SUPPLY AND COMMON-MODE
REJECTION RATIO vs FREQUENCY
100
90
80
70
60
50
40
30
20
10
0
PSRR, CMRR (dB)
Frequency (Hz)
10 100 1k 10k 100k 1M 10M
PSRR
CMRR
(V
S
= +5V
V
CM
= –0.1V to 5.1V)
INPUT VOLTAGE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
100k
10k
1k
100
10
1
10k
1k
100
10
1
0.1
Voltage Noise (nV√Hz)
Frequency (Hz)
10 100 1k 10k 100k 1M 10M
Current Noise (fA√Hz)
Voltage Noise
Current Noise
HARMONIC DISTORTION + NOISE vs FREQUENCY
1
(–40dBc)
0.1
(–60dBc)
0.01
(–80dBc)
0.001
(–100dBc)
0.0001
(–120dBc)
Harmonic Distortion (%)
Frequency (Hz)
1k 10k 100k 1M
G = 1
V
O
= 2.5Vp-p
R
L
= 600Ω
3rd Harmonic
2nd Harmonic
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
1
0.1
0.01
0.001
0.0001
THD+N (%)
Frequency (Hz)
10 100 1k 10k 100k
R
L
= 600Ω
G = 100, 3Vp-p (V
O
= 1V to 4V)
G = 10, 3Vp-p (V
O
= 1V to 4V)
G = 1, 3Vp-p (V
O
= 1V to 4V)
Input goes through transition region
G = 1, 2.5Vp-p (V
O
= 0.25V to 2.75V)
Input does NOT go through transition region
CHANNEL SEPARATION vs FREQUENCY
Frequency (Hz)
Channel Separation (dB)
140
130
120
110
100
90
80
70
60
10010 1k 1M100k10k 10M
Dual and Quad
Versions